is-hexadecimal
Check if a character is hexadecimal.
Install
npm:
npm install is-hexadecimal
Use
var hexadecimal = require('is-hexadecimal')
hexadecimal('a') // => true
hexadecimal('0') // => true
hexadecimal('G') // => false
hexadecimal('💩') // => false
API
hexadecimal(character|code)
Check whether the given character code (number
), or the character code at the first position (string
), is hexadecimal.